Home / 151,747.16-209,411.12-83,764.18

Finding the Fourth Proportional to 151,747.16, 209,411.12 and 83,764.18

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Solution

The fourth proportional to 151,747.16, 209,411.12 and 83,764.18 is: 115,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,747.16 : 209,411.12 = 83,764.18 : x
  2. Step 2: Convert to fraction form
    151,747.16/209,411.12 = 83,764.18/x
  3. Step 3: Cross multiply
    151,747.16x = 209,411.12 × 83,764.18
  4. Step 4: Simplify right side
    151,747.16x = 17,541,149,702.63
  5. Step 5: Solve for x
    x = 17,541,149,702.63/151,747.16
  6. Step 6: Final answer
    x = 115,594.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.